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Exchange 2000 why always spam attack!

By rnlmush ·
Help! I always noticed that every morning we can't send email, because our exchange mail have lot of spam, (we have sonic wall firewall) in exchange can u help me how to prevent clogging in outgoing mail, in 5.5 i never experience this only when we upgrade exchange 2000, please help. we can't send mail, it queque only.. it clogged.. what this exchange 2000? Help please...
Ricky

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by p.j.hutchison In reply to Exchange 2000 why always ...

Disable Anonymous authentication on your SMTP Virtual Servers to close Open Relays on your Exchange Servers.

See http://www.msexchange.org/tutorials/SMTP_Virtual_Server_Uncovered.html

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by rnlmush In reply to

It help me. but something wrong because all incoming mails are not in.. what's went wrong?

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by rnlmush In reply to Exchange 2000 why always ...

it helps me. but all incoming mails are not coming in.. because we use smtp w/o using authentication.

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